Nouns denoting natural phenomena

suction
a force over an area produced by a pressure difference
 
strong gale
wind moving 47-54 knots; 9 on the Beaufort scale
 
wattage
the product of voltage and current
 
scattering
a light shower that falls in some locations and not others nearby
 
sound spectrum
the distribution of energy as a function of frequency for a particular sound source
 
response
a result
 
paramagnetism
materials like aluminum or platinum become magnetized in a magnetic field but it disappears when the field is removed
 
P.E.
the mechanical energy that a body has by virtue of its position; stored energy
 
breaking point
the degree of tension or stress at which something breaks
 
ionic beam
a beam of ions moving in the same direction at the same speed
 
force
(physics) the influence that produces a change in a physical quantity
 
signal
an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
 
harvest
the consequence of an effort or activity
 
Saint Elmo's light
an electrical discharge accompanied by ionization of surrounding atmosphere
 
polymorphism
(genetics) the genetic variation within a population that natural selection can operate on
 
cross-linkage
a side bond that links two adjacent chains of atoms in a complex molecule
 
rejection
(medicine) an immunological response that refuses to accept substances or organisms that are recognized as foreign
 
placebo effect
any effect that seems to be a consequence of administering a placebo; the change is usually beneficial and is assumed result from the person's faith in the treatment or preconceptions about what the experimental drug was supposed to do; pharmacologists were the first to talk about placebo effects but now the idea has been generalized to many situations having nothing to do with drugs
 
good fortune
a stroke of luck
 
greenhouse effect
warming that results when solar radiation is trapped by the atmosphere; caused by atmospheric gases that allow sunshine to pass through but absorb heat that is radiated back from the warmed surface of the earth
 
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